Home / Area 650 / Prefix 503
Prefix Lookup

(650) 503 Phone Number Lookup

Research phone numbers under this exchange in San Jose, California. Review carrier details, activity signals, and community caller feedback.

221number listings
0caller reports
13lookup pages

Phone Numbers in This Prefix

Browse numbers in this exchange and open any listing to view caller details, spam signals, and community feedback. Showing 55–72 of 221 listings for this prefix.

Recent activity Landline

(650) 503-4726

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-4746

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-4766

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-4786

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-4806

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-4826

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-4846

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-4866

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-4886

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-4906

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-4926

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-4946

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-4966

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-4986

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-5006

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-5026

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-5046

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing
Recent activity Landline

(650) 503-5066

San Jose, California

  • Carrier: Mpower Communications Corp - Ca
  • Exchange: 650-503
  • Report type: Reverse lookup profile
View listing

About this prefix

Area code 650 prefix 503 is organized as a reverse lookup section for San Jose, California. The page combines location metadata, carrier information, line type, number listings, and community activity in one place.

Public URLs use the exchange format 650-503, while each listing still maps back to the correct area code and prefix structure.